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Finding the Third Proportional to 18,276,331 and 39,703,859

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Solution

The third proportional to 18,276,331 and 39,703,859 is: 86,253,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276,331 : 39,703,859 = 39,703,859 : x
  2. Step 2: Convert to fraction form
    18,276,331/39,703,859 = 39,703,859/x
  3. Step 3: Cross multiply
    18,276,331x = 39,703,859 × 39,703,859
  4. Step 4: Simplify right side
    18,276,331x = 1,576,396,419,491,881
  5. Step 5: Solve for x
    x = 1,576,396,419,491,881/18,276,331
  6. Step 6: Final answer
    x = 86,253,440.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.